package com.zhanghe.study.springcloudalibaba.dao;

import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;

/**
 * @author zh
 * @date 2021/9/15 16:06
 */
@Mapper
public interface StorageDao {
    void decrease(@Param("productId") int productId,@Param("count") int count);
}
